title: The authors respond.
authors.forename: Lindsay M
authors.initials: LM
authors.lastname: Williams
authors.forename: Todd M
authors.initials: TM
authors.lastname: Skeen
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000473:pathology*; D002828:Choristoma / Q000662:veterinary*; D004283:Dog Diseases / Q000209:etiology*; D005260:Female; D006411:Hematopoiesis, Extramedullary; D013117:Spinal Cord Compression / Q000662:veterinary*